year,don_flow,salinity_taganrogbay,salinity_azovsea,temp_summer,mnemiopsis,zooplankton,zoobentos,clupionella_biomass,anchovy_biomass,gobidae_biomass,sander_biomass,sturgeon_biomass,rutilus_biomass,rutilus_catch,sander_catches,gobidae_catches,clupionella_catches,anchovy_catches,liza_biomass,liza_catches
1925,16,,,,,,,,,,100,,,,,,,,,
1926,32.01,,,,,,,,,,136.7,,,,,,,,,
1927,37.94,,,,,,,,,,151.7,,,,,0.88,,,,
1928,38.14,,,,,,,,,,145,,,,,0.86,,,,
1929,31.2,,,,,,,,,,131.7,,,,,2.5,,,,
1930,29.32,,,,,,,,,,113.3,,,,,6.72,,,,
1931,29.94,,,,,,,,,,116.7,,,,,14.2,,,,
1932,30.96,,,,,,,,,,143.3,,22,,,24.83,,,,
1933,27.13,,,,,,,,,,196.7,,30.33,,,29.94,,,,
1934,16.27,,,,,,,,,,223.3,,48,,,26.96,,,,
1935,16.19,,,,,,,,,,220,,41.33,,,18.51,,,,
1936,17.45,,,,,,,,,,180,,31.9,,,10.28,,,,
1937,18.79,,,,,,,,,,143.3,,8.9,,,9.19,,,,
1938,17.63,,,,,,,,,,123.3,,7.3,,,9.43,,,,
1939,20.79,,,,,,,,,,120,,6.23,,,14.82,,,,
1940,31.57,,,,,,,,,,130,,5.8,,,17.48,,,,
1941,43.9,,,,,,,,,,136.7,,4.7,,,13.52,,,,
1942,39.18,,,,,,,,,,150,,6.87,,,6.96,,,,
1943,29.05,,,,,,,,,,146.7,,10.3,,,3.53,,,,
1944,17.58,,,,,,,,,,136.7,,12.67,,,3.82,,,,
1945,24.15,,,,,,,,,,120,,13.67,,,3.95,,,,
1946,27.89,,,,,,,,,,110,,14.33,,,1.06,,,,
1947,32.32,,,,,,,,,,93.3,,16,,,1.35,,,,
1948,25.1,,,,,,,,,,76.7,,18,,,1.86,,,,
1949,19.33,,,,,,,,,,59,,25.33,,,3.23,,,,
1950,18.4,,,,,,,,,,49.7,,31,,,9.51,,,,
1951,18.08,,,,,,,,,,44,,33.67,,,15.97,,,,
1952,22.58,,,,,,,,,,42,,29,,,18.99,,,,
1953,18.21,,,,,,,,,33.3,41,,23,,17,19.73,,,,
1954,21.67,,,,,,,,,64.93,37.7,,20.67,,13.24,26.98,,,,
1955,22.67,,,,,,,,40,99.07,37.3,,24.67,,10.77,40.23,,3.5,,
1956,25.76,,,,,,,,47.57,136.9,40,,31.33,,10.51,56.02,,8.1,,
1957,26.05,,,,,,,,53.23,143.73,45.7,,34.67,,10.19,72.21,,14.4,,
1958,24.37,,,,,,,,75.43,127.8,46.3,,36.33,,10.46,80.75,,24.1,,
1959,23.53,,,,,,,,70.07,98.93,47.3,,43,,11.22,74.57,,29.13,,
1960,21.74,9.05,12.1,22.05,,,,,97.73,76.77,51.3,,51.33,,11.7,63.71,,41.47,,
1961,19.39,8.78,11.75,23,,,,,103.53,98.3,59.7,,51.67,,11.67,57.33,,53,,
1962,23.39,8.23,11.7,23.87,,,,,153.2,106.7,57,,45.67,,10.17,50.73,,66.93,,
1963,27.98,7.15,11.74,23.9,,,,,124.57,133.07,51.3,,34,,9.1,51.13,,60.67,,
1964,28.95,6.64,11.59,23.87,,,,,101.23,113.87,47.3,,26.67,,7.53,47.86,,42.43,,
1965,23.21,6.57,11.36,24,,,,,118.67,113.53,55.7,,28.67,,6.97,51.9,,51.33,,
1966,17.86,7.79,11.31,24.47,,,,,282.17,95.87,64,,36.67,,6.27,41.77,,72.13,,
1967,20.44,7.85,11.41,24.15,,,,,354.7,91.73,59,,42,,7.7,34.46,,105.7,,
1968,19.37,8.63,11.61,23.32,,,,,285.57,61.03,49,,36,,8.2,22.75,,79.2,,
1969,23.03,8.52,11.83,22.85,,,,,155.7,47.73,36.3,,26.33,,7.4,13.85,,68.87,,
1970,21.33,9.25,11.98,22.98,0,322.05,524.549,420,165.83,31.93,28.7,0.59,20.67,,5.83,5.63,122.5,60.27,0,0
1971,19.58,9.19,12.12,23.83,0,404.23,320.54,456.67,206.33,25.57,22.3,0.63,21,,4.73,3.37,89.23,82.27,0,0
1972,14.27,9.52,12.35,23.82,0,340.12,245.44,450,217.67,24.4,13.5,0.8,25,4.421,5.1,3.7,73.4,71.6,0,0
1973,12.72,9.94,12.76,23.92,0,348.72,309.37,366.67,250.33,16.87,9,1.12,25,3.18,4.27,5.06,65.93,89.2,0,0
1974,13.36,10.3,12.96,23.57,0,296.14,322.63,300,289.67,24.53,3.4,1.18,21.33,2.09,3.43,6.17,69.53,99.2,0,0
1975,13.4,10.73,13.28,23.3,0,362.34,360.87,243.33,301,26.17,3.8,1.57,16,1.17,1.93,5.98,53.97,105.53,0,0
1976,15.25,10.36,13.47,23.72,0,308.05,413.98,286.67,215.33,28.67,5.1,1.83,11,1.14,1.33,4.36,48.7,63,0,0
1977,19.78,9.49,13.59,22.97,0,252.2,552.38,330,142.33,23.5,9.6,2.32,7,1.09,0.89,2.94,39.33,30.5,0,0
1978,28.64,8.63,13.23,23.35,0,456.21,512.88,343.33,98,16.83,12.4,2.36,3.67,0.99,0.79,2.03,47.53,17.5,0,0
1979,28.1,8,12.78,22.9,0,621.63,447.29,330,151,13.7,11.6,2.47,2.67,0.87,0.79,1.22,60.3,36.5,0,0
1980,31.15,7.94,12.34,23.9,0,795.65,352.09,323.33,179,9.77,7.8,2.64,2.33,0.71,0.83,0.62,50.67,54,0,0
1981,26.23,7.58,11.89,23.7,0,533.85,371.67,380,190.67,6.8,4,2.82,2.13,0.73,0.87,0.53,73.7,66.37,0,0
1982,25.63,7.18,11.55,23.8,0,388.01,354.22,442.67,161.67,3.67,3.9,2.93,2.31,0.73,1.03,0.54,87.03,52.37,0,0
1983,18.76,8.13,11.48,23.1,0,265.88,297.2,472.67,201.33,2.6,3.6,3.07,2.59,1.11,1.33,0.57,99.47,49.7,0,0
1984,17.95,7.93,11.7,23,0,278.74,269.19,456,186.67,7.03,5.3,3.41,2.78,1.59,1.57,0.55,97.03,42.47,0,0
1985,19.49,8.51,11.87,23.13,0,256.05,271,403.33,171.33,8.63,4.8,4.01,2.98,1.81,1.9,0.61,89.57,57.27,0,0
1986,21.12,7.55,11.94,23.38,0,340.51,263.41,363.33,121.67,8.83,4.1,4.62,3.24,1.79,2.2,0.53,92.57,48.53,0,0
1987,21.48,8.27,11.88,24.15,0,309.98,250.51,346.67,146.33,4.37,1.8,5.16,3.51,1.53,2.07,0.69,66.5,52.07,0,0
1988,19,7.76,11.73,24.08,0,269.76,242.04,335,114.67,4.13,1.6,4.89,3.89,1.22,2,0.63,52.23,41.27,0,0
1989,18.15,8,11.72,24.32,32,68.5,224.01,328.33,78.67,4.67,2,4.49,4.25,0.75,1.6,0.59,25.87,40.63,0,0
1990,18.47,7.5,11.67,24.57,27.4,336.39,228.85,268.33,31.33,4.67,2.4,4.55,3.52,0.32,1.71,0.36,22.77,32.92,6.8,0
1991,18.5,7.69,11.73,24.35,21.77,365.31,264.94,198.33,43.33,3.57,3.9,5.78,2.28,0.14,1.5,0.21,21.07,22.85,7.9,0
1992,19.91,6.83,11.5,24.1,20.1,365.98,337.98,148.33,56.67,2.73,7.3,6.21,1.09,0.12,1.51,0.23,20.87,15.85,9.2,0
1993,24.15,6.76,11.27,23.55,16.13,91.95,320.78,128.33,105.33,2.2,12,6.58,1.12,0.25,1.43,0.21,13.4,15.2,16.1,0
1994,25.55,6.86,11.04,23.87,17.33,65.95,299.7,145,160,2.03,16.4,6.37,1.43,0.29,1.32,0.23,3.87,19.83,18.5,0
1995,27.71,7.56,11.02,24.53,18.17,120.12,234.69,145,156.67,1.17,20.4,6.16,1.53,0.32,1.9,0.16,4.13,17.67,29.2,0
1996,22.54,7.07,11.09,23.68,17.83,152.55,296.23,180,141,0.97,26.5,5.14,1.64,0.35,2.62,0.06,3.03,13.7,40.6,1.2
1997,22.68,6.74,10.77,23.61,16.03,150.35,219.83,221.67,82.33,1.33,36.1,3.77,1.94,0.3,3.27,0.1,2.27,7.7,41.57,3.17
1998,21.6,6.44,10.67,23.72,22.07,77.55,195.5,301.67,75.33,1.4,41.1,2.72,2.16,0.28,3.06,0.28,4.8,6.57,39.4,5.27
1999,22.11,6.58,10.45,24.68,21.4,465.24,126.95,340,57.33,1.93,36.5,1.78,2.01,0.23,2.96,0.52,8.13,7.87,34.33,6.77
2000,21.96,6.45,10.71,24.82,19.87,473.28,163.86,370,62.67,7.07,25.5,1.07,2.1,0.29,2.71,0.91,15.27,11.03,27.47,6.33
2001,20.52,6.48,10.69,24.81,17.4,505.9,186.28,378.33,99.33,18.47,16.5,0.58,2.13,0.34,2.54,1.89,19.87,14.9,21.7,5.07
2002,21.48,6.87,10.69,24.71,17.37,71.39,184.76,405,105,34.33,12.2,0.26,2.49,0.3,1.91,3.94,21.87,14.5,17.23,3.43
2003,23.25,7.21,10.55,24.53,21.87,134.14,177.53,401.67,105,46.67,9.3,0.08,2.47,0.24,1.28,8.02,18.1,12.37,17,4.27
2004,26.21,6.56,10.33,24.45,17.9,150.71,156.24,396.67,73.33,53.67,7.8,0.05,2.33,0.17,0.81,11.2,15.53,9.6,20.77,6.03
2005,26.8,5.82,10.02,24.95,18.8,251.92,139.93,396.67,68.67,47,7.3,0.04,1.89,0.1,0.57,12.78,15.83,8.27,28.6,8.5
2006,23.8,5.29,9.81,25.63,18.07,299.1,110.02,370,64.67,38.67,6.1,0.04,1.59,0.12,0.4,11.32,17.03,7.9,33.4,9.67
2007,20.35,5.69,9.96,25.71,19.33,295.91,108.46,366.67,104.67,31.83,5.1,0.05,1.92,0.15,0.25,10.53,17.83,11.13,34.97,8.83
2008,16.43,6.65,10.44,25.89,15.07,279.52,131.88,420,151,33.5,3.5,0.05,1.92,0.15,0.08,9.53,17,15.7,34.03,8.3
2009,16.56,7.61,10.95,26.01,10.4,216.84,151.24,416.67,191.67,35.23,2.8,0,1.7,0.13,0.04,9.99,16.33,20.33,31.5,6.5
2010,15.07,8.49,11.19,26.04,8.63,237.4,169.64,367.67,308,29.27,1.6,0,1.14,0.14,0.02,8.98,17.47,26.13,28.13,5.67
2011,15.17,8.46,11.47,26.03,11.43,233.77,183.68,239.33,355.67,32.73,0.9,0,1.13,0.26,0.02,10.6,15.27,31.53,21.03,3.2
2012,14.74,8.76,11.83,25.92,12.43,300.64,222.22,197.67,406.33,40.27,0.7,0,2.38,0.46,0.06,12.74,11.93,41.17,16.5,2.03
2013,15.27,8.87,12.28,25.84,10.23,264.91,298.8,196.67,320.67,56.8,0.7,0,4.04,0.54,0.07,16.21,5.97,40.6,10.9,0.8
2014,15.31,9.96,12.76,25.62,8.87,189.29,363.74,223.33,281.67,71.43,0.7,0,6.42,0.55,0.08,20.97,5.3,41.27,7.57,0.47
2015,14.64,10.3,13.26,25.87,7.83,70.97,407.02,231.67,225.33,96.37,0.7,0,6.99,0.51,0.32,22.87,10.7,40.17,4.37,0.33
2016,14.3,10.5,13.76,25.97,8.6,31.8,463.36,207.33,170,117.3,0.6,0,5.89,0.53,0.3,25.78,17.07,46.8,4,0.43
2017,17.23,9.61,14.1,26.06,6.1,27.5,547.96,177.67,111.67,124.53,0.5,0,4.06,0.61,0.28,21.55,17.53,46.03,4.33,0.5
2018,17.62,9.45,14.22,25.39,4.6,19.29,595.92,177.67,83.67,113.67,0.3,0,2.63,0.54,0,18.76,12.97,38.07,6.1,0.57
2019,16.23,10.08,14.54,25.15,1.24,51.4,898.36,190.33,66.23,90.4,0.3,0,2.37,0.46,0,12.63,7.4,28.93,11.37,0.73
2020,11.9,11.07,14.89,25.42,0.61,98.89,1446.9,176,55.2,75.1,0.3,0,2,0.28,0,8.67,5.53,21.87,13.9,1
2021,11,11.15,15.1,25.82,0.44,111.85,2144.76,142.67,71.13,48.7,0.4,0,1.7,0.18,0,4.24,3.07,18.93,14.6,1.3
2022,11.63,10.84,15.1,26.15,0.46,116.34,2471.17,111.5,82.35,42.95,0.4,0,1.55,0.13,0,2.16,2.01,16.3,11.6,1.4
